SOLUTION: I found this question in book entitled 1001 solved problems in engineering math, the book already gives the answer but i dont understand how it is done,here is the question: I hop

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Question 295204: I found this question in book entitled 1001 solved problems in engineering math, the book already gives the answer but i dont understand how it is done,here is the question:
I hope it will be answered with some explanation in it. thank you for the help.

Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
You also submitted this 36 seconds ago
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